Sly Requisitioner

Two mechanics share one body and pull in opposite directions. Improvise wants artifacts on the battlefield, tapped to discount the cast. The triggered ability wants those same artifacts dead, leaving play to mint Servos. The intended shell does both at once: flood the board with cheap artifacts, sacrifice or trade them away, and convert each loss into a 1/1 that keeps the engine fed. The trigger reads on nontoken artifacts specifically, and that single word reins the loop in: the Servos it makes cannot themselves feed it, so the value has to come from real cards leaving play. That restriction separates this from an infinite-token problem and turns it into a grindy attrition payoff, where Servos serve double duty as fodder for the next sacrifice and as bodies to discount the next Improvise spell. It belongs to the lineage of black artifact-sacrifice engines that reward attrition over tempo: a sacrificed Equipment, a destroyed creature-artifact, a hard-cast trinket fed to an outlet, each converts into a fresh body, so the more of your real artifacts die, the wider you get. The 2/2 is a slow-burn value piece rather than a threat, idle when there is nothing to sacrifice and working overtime in a deck assembled to bleed real artifacts on purpose.